Definition
modbus_unsigned_to_signed(unsigned_data)
Features
When using Modbus protocol, this is a command to convert 2 bytes unsigned data into signed data.
Parameters
|
Parameter Name |
Data Type |
Default Value |
Description |
|---|---|---|---|
|
unsigned_data |
int |
- |
2byte unsigned data(0~65535) |
Return
|
Value |
Description |
|---|---|
|
signed_data |
2byte signed data(-32769 ~ 32767) |
Exception
|
Exception |
Description |
|---|---|
|
DR_Error (DR_ERROR_TYPE) |
Parameter data error occurred |
|
DR_Error (DR_ERROR_VALUE) |
Parameter value is invalid |
|
DR_Error (DR_ERROR_RUNTIME) |
C Extension module error occurred |
|
DR_Error (DR_ERROR_STOP) |
Program terminated forcefully |
Example
Python
unsigned_data = 40000
signed_data = modbus_unsigned_to_signed(unsigned_data)
Keyword
modbus / unsigned / signed